Seiko Cal. 6637 - 495

Released in 1998, the Cal. 6637 with design code 495 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-9f6417280a68]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1998

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